EP0916932A1 - Vorrichtung und Verfahren zum Nachfüllen von Behältern in einem Lagerregal - Google Patents

Vorrichtung und Verfahren zum Nachfüllen von Behältern in einem Lagerregal Download PDF

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Publication number
EP0916932A1
EP0916932A1 EP97119652A EP97119652A EP0916932A1 EP 0916932 A1 EP0916932 A1 EP 0916932A1 EP 97119652 A EP97119652 A EP 97119652A EP 97119652 A EP97119652 A EP 97119652A EP 0916932 A1 EP0916932 A1 EP 0916932A1
Authority
EP
European Patent Office
Prior art keywords
containers
container
weight
replenishing
storage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP97119652A
Other languages
English (en)
French (fr)
Inventor
Irving D. Muncy Henderson
Beat J. Grob
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bossard AG
Original Assignee
Bossard AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bossard AG filed Critical Bossard AG
Priority to EP97119652A priority Critical patent/EP0916932A1/de
Priority to DE69827454T priority patent/DE69827454T2/de
Priority to ES98120230T priority patent/ES2231936T3/es
Priority to EP98120230A priority patent/EP0915325B1/de
Priority to AT98120230T priority patent/ATE282192T1/de
Priority to DK98120230T priority patent/DK0915325T3/da
Publication of EP0916932A1 publication Critical patent/EP0916932A1/de
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G23/00—Auxiliary devices for weighing apparatus
    • G01G23/18—Indicating devices, e.g. for remote indication; Recording devices; Scales, e.g. graduated
    • G01G23/36—Indicating the weight by electrical means, e.g. using photoelectric cells
    • G01G23/37—Indicating the weight by electrical means, e.g. using photoelectric cells involving digital counting
    • G01G23/3728—Indicating the weight by electrical means, e.g. using photoelectric cells involving digital counting with wireless means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G17/00—Apparatus for or methods of weighing material of special form or property
    • G01G17/04—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes
    • G01G17/06—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes having means for controlling the supply or discharge
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F9/00—Details other than those peculiar to special kinds or types of apparatus
    • G07F9/02—Devices for alarm or indication, e.g. when empty; Advertising arrangements in coin-freed apparatus
    • G07F9/026—Devices for alarm or indication, e.g. when empty; Advertising arrangements in coin-freed apparatus for alarm, monitoring and auditing in vending machines or means for indication, e.g. when empty

Definitions

  • the invention relates to a method for the determination of the need for replenishing containers in a storage and a storage comprising a plurality of containers according to the preamble of the independent claims.
  • Such kind of equipment is used for storing small articles, such as screws, nuts, bolts, electrical components, fasteners or pills or for storing different liquids.
  • each container of the storage holds one type of article or liquid.
  • the containers are slowly being emptied. For instance, screws and nuts are being removed from the bins of the storage for assembling devices in a factory.
  • a container is empty, it has to be refilled, e.g. by replenishing it from a central store or by reordering articles from an external supplier.
  • an empty container may e.g. interrupt the operation of a whole assembly line.
  • a large inventory of articles may have to be stored on-site to avoid shortages.
  • the time dependence of the parameter is determined, e.g. by calculating the rate of weight decrease.
  • This information can be used for extrapolating the parameter and predict the time when replenishing is required. Hence, it is possible to order a replenishment in advance such that it arrives just in time for refilling the near empty container.
  • FIG. 1 and 2 A preferred embodiment of the invention is shown in Figs. 1 and 2. It comprises a plurality of racks 1, such as the one shown in Fig. 1. Each rack 1 contains a plurality of shelves 2 and carries a large number of individual containers (bins) 3. Rack 1 is mounted on a carriage 7 with wheels 5, such that it can e.g. be stationed in any suitable place of a factory.
  • Each container 3 holds a stock of small items, such as screws, bolts, nuts, fasteners, pills, transistors, etc. These items are continually removed during normal use of the storage rack, e.g. for assembling or packaging.
  • each container 3 is mounted on a weight sensor 4.
  • These sensors can e.g. be based on conventional strain gauges or capacitive deformation detectors.
  • the weight sensors measure the gross weight of each container, i.e. the weight of the container itself and of its contents.
  • the containers 3 are mounted on top of the weight sensors.
  • the containers could be hanging between two horizontal rods, wherein the weight sensor would be arranged between one of the rods and the container.
  • the signals from the weight sensors 4 are transmitted to a radio emitter 6 mounted to rack 1.
  • Radio emitter 6 sends the signals to a central computer 8 equipped with a suitable radio receiver 9 (see Fig. 2).
  • Central computer 8 analyses the signals as described below for determining if a container needs replenishing. If this is the case, central computer 8 issues an order for the corresponding article, which is transmitted via modem 10 of central computer 8, the public phone net 11 to a modem 12 of a supplier 13. Supplier 13 then delivers the appropriate articles to the site of racks 1.
  • Central computer 8 can use various methods for determining the time for reordering articles.
  • the weight w i of each container 3 (where i stands for the container index) is compared with a threshold value w th,i for the container.
  • the threshold value w th,i is predefined for each container and depends on the weight of the articles stored in the container and the size of the container, the expected usage rate and the delivery time for replenishments. For instance, the value is set to the gross weight the container has when it is filled to 10%.
  • sensors 4 provide signals indicative of the absolute weight of the containers 3.
  • sensors 4 could deliver digital signals that are e.g. 0 if the weight of the container is above its threshold value and 1 if it is below it.
  • Sensors of this type can be of a simple design and e.g. consist of a spring mounted support for the container and a switch actuated if the weight of the container 3 is sufficient to push said support to a predefined position.
  • the gross weight of the containers 3 is monitored as a function of time.
  • central computer 8 stores the gross weight w i (t 1 ) at time t 1 .
  • the weight w i (t 2 ) is measured again and the rate of weight decrease is determined from (w i (t 2 ) - w i (t 1 )) / (t 2 - t 1 ). This rate is used for an extrapolation of w i to predict the time t th when w i (t th ) reaches the threshold value w th,i for this container.
  • the order for replenishing the container is issued at a time t order when t th draws near, i.e. the order is issued when t th - t order falls below a given value t ot .
  • the order time t ot is determined by the time it takes to deliver a replenishment from supplier 13 to the site of racks 1.
  • the weight w i (t) of each container is stored as a function of a larger number of time values and extrapolation is carried out by linear or non-linear regression or time series analysis.
  • a threshold value w th,i for each container i must be stored in central computer 1.
  • the threshold value must be readjusted accordingly.
  • Rack 1 can also be stationary, depending on how it is to be used.
  • radio emitter 6 and radio receiver 9 can be dispensed with and permanent transmission cables can be located between rack 1 and central computer 8.
  • central computer 8 could be located in the rack 1 such that rack 1 determines itself if one of its containers needs replenishing and only then contacts central computer 8.
  • part of the functions of central computer 8 could be located at the site of supplier 13.
  • the present invention is suited for any types of articles that can be stored in a container (or, equivalently, on a roll or tablet) and that is being used up or consumed gradually.
  • the system can e. g. be applied to a storage of liquid or granular goods.
EP97119652A 1997-11-10 1997-11-10 Vorrichtung und Verfahren zum Nachfüllen von Behältern in einem Lagerregal Withdrawn EP0916932A1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP97119652A EP0916932A1 (de) 1997-11-10 1997-11-10 Vorrichtung und Verfahren zum Nachfüllen von Behältern in einem Lagerregal
DE69827454T DE69827454T2 (de) 1997-11-10 1998-10-26 Verfahren zur Nachfüllung von Behälter in einem Lagerregal
ES98120230T ES2231936T3 (es) 1997-11-10 1998-10-26 Un metodo para reabastecer recipiente en un bastidor de almacenamiento.
EP98120230A EP0915325B1 (de) 1997-11-10 1998-10-26 Verfahren zur Nachfüllung von Behälter in einem Lagerregal
AT98120230T ATE282192T1 (de) 1997-11-10 1998-10-26 Verfahren zur nachfüllung von behälter in einem lagerregal
DK98120230T DK0915325T3 (da) 1997-11-10 1998-10-26 Fremgangsmåde til efterfyldning af beholdere i en lagringsreol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97119652A EP0916932A1 (de) 1997-11-10 1997-11-10 Vorrichtung und Verfahren zum Nachfüllen von Behältern in einem Lagerregal

Publications (1)

Publication Number Publication Date
EP0916932A1 true EP0916932A1 (de) 1999-05-19

Family

ID=8227598

Family Applications (2)

Application Number Title Priority Date Filing Date
EP97119652A Withdrawn EP0916932A1 (de) 1997-11-10 1997-11-10 Vorrichtung und Verfahren zum Nachfüllen von Behältern in einem Lagerregal
EP98120230A Expired - Lifetime EP0915325B1 (de) 1997-11-10 1998-10-26 Verfahren zur Nachfüllung von Behälter in einem Lagerregal

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP98120230A Expired - Lifetime EP0915325B1 (de) 1997-11-10 1998-10-26 Verfahren zur Nachfüllung von Behälter in einem Lagerregal

Country Status (5)

Country Link
EP (2) EP0916932A1 (de)
AT (1) ATE282192T1 (de)
DE (1) DE69827454T2 (de)
DK (1) DK0915325T3 (de)
ES (1) ES2231936T3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7650298B2 (en) 2006-03-31 2010-01-19 Nexiant Automated inventory system and method

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6952680B1 (en) * 1999-11-16 2005-10-04 Dana Corporation Apparatus and method for tracking and managing physical assets
DE10033652A1 (de) * 2000-07-11 2002-01-24 Messer Griesheim Gmbh Überwachungssystem und Verfahren zur fernüberwachten Kontrolle von Lagerbeständen
EP1217345A1 (de) * 2000-12-22 2002-06-26 Bossard AG Verfahren zum Steuern des Durchflusses von Artikeln unterschiedlicher Art
WO2008007349A1 (en) * 2006-07-14 2008-01-17 D Alton John A beverage inventory management system
DE502007001877D1 (de) * 2007-11-20 2009-12-10 Handtmann Albert Maschf Abfüllmaschine und Verfahren zum Abfüllen
DE202009003480U1 (de) * 2009-03-12 2009-08-27 Almagore, Adam Vorrichtung zur Ermittlung einer Fluidmenge
DE102012103324A1 (de) * 2012-04-17 2013-10-17 Ferdinand Gross GmbH & Co. KG Vorrichtung zur Visualisierung von Lagerdaten, insbesondere eines Kanban-Systems
DE102013222263A1 (de) 2013-10-31 2015-04-30 Adolf Würth GmbH & Co. KG Warenbestandsverwaltungssystem
FR3016992B1 (fr) * 2014-01-29 2017-07-21 Groupe Articque Solutions Installation de distribution d'un stock de differents produits, autonome en approvisionnement en ces produits
EP2963598A1 (de) 2014-07-01 2016-01-06 Bossard AG Teileverwaltungssystem
DE102016207713A1 (de) 2016-05-04 2017-11-09 Würth Elektronik Ics Gmbh & Co. Kg Lagerlogistik Verfahren
CN111540117A (zh) * 2020-04-18 2020-08-14 广州纪光新媒体系统有限公司 一种基于无线传输技术的售卖机缺货提示系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3930258A (en) * 1975-01-13 1975-12-30 Dick Co Ab Ink monitoring and automatic fluid replenishing apparatus for ink jet printer
US4524886A (en) * 1982-01-28 1985-06-25 K-Tron International, Inc. Apparatus and method for improving the accuracy of a loss-in-weight feeding system
WO1991018326A1 (en) * 1990-05-23 1991-11-28 Kodak Limited Photographic processing apparatus
JPH08161615A (ja) * 1994-12-02 1996-06-21 Omron Corp 重量計測・表示装置とこの重量計測・表示装置を用いた飲料用自動販売機

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58217078A (ja) * 1982-06-10 1983-12-16 Kurihara Akiyoshi 在庫管理装置
GB2299074B (en) * 1995-03-18 1998-07-01 Henlid Ltd Storage system
US5671362A (en) * 1995-04-04 1997-09-23 Cowe; Alan B. Materials monitoring systems, materials management systems and related methods

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3930258A (en) * 1975-01-13 1975-12-30 Dick Co Ab Ink monitoring and automatic fluid replenishing apparatus for ink jet printer
US4524886A (en) * 1982-01-28 1985-06-25 K-Tron International, Inc. Apparatus and method for improving the accuracy of a loss-in-weight feeding system
WO1991018326A1 (en) * 1990-05-23 1991-11-28 Kodak Limited Photographic processing apparatus
JPH08161615A (ja) * 1994-12-02 1996-06-21 Omron Corp 重量計測・表示装置とこの重量計測・表示装置を用いた飲料用自動販売機

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 096, no. 010 31 October 1996 (1996-10-31) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7650298B2 (en) 2006-03-31 2010-01-19 Nexiant Automated inventory system and method

Also Published As

Publication number Publication date
EP0915325B1 (de) 2004-11-10
ATE282192T1 (de) 2004-11-15
EP0915325A1 (de) 1999-05-12
DE69827454D1 (de) 2004-12-16
ES2231936T3 (es) 2005-05-16
DE69827454T2 (de) 2005-10-20
DK0915325T3 (da) 2005-02-21

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